return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH5N3 (Guanidine)

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-205.177005
Energy at 298.15K 
HF Energy-205.177005
Nuclear repulsion energy124.134314
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HSEh1PBE/6-31+G**
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/6-31+G**
ABC
0.35236 0.34168 0.17574

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 0.120 0.000
N2 -0.193 1.388 0.011
N3 -0.987 -0.874 0.073
N4 1.265 -0.401 -0.080
H5 -1.180 1.626 -0.052
H6 -1.937 -0.551 -0.023
H7 -0.796 -1.704 -0.471
H8 1.966 0.322 0.001
H9 1.445 -1.198 0.515

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7 H8 H9
C11.28041.39071.38561.90462.03472.03851.99272.0333
N21.28042.39732.30991.01702.60753.18642.40843.1017
N31.39072.39732.30632.51081.00831.01053.18672.4926
N41.38562.30992.30633.17663.20652.47001.01011.0103
H51.90461.01702.51083.17662.30533.37843.40643.8969
H62.03472.60751.00833.20652.30531.68283.99983.4850
H72.03853.18641.01052.47003.37841.68283.45812.5003
H81.99272.40843.18671.01013.40643.99983.45811.6865
H92.03333.10172.49261.01033.89693.48502.50031.6865

picture of Guanidine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 111.486 C1 N3 H6 115.088
C1 N3 H7 115.283 C1 N4 H8 111.609
C1 N4 H9 115.241 N2 C1 N3 127.611
N2 C1 N4 120.044 N3 C1 N4 112.342
H6 N3 H7 112.933 H8 N4 H9 113.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.245      
2 N -0.533      
3 N -0.596      
4 N -0.580      
5 H 0.233      
6 H 0.297      
7 H 0.307      
8 H 0.324      
9 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.053 -2.819 -0.044 3.010
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.645 -1.465 3.021
y -1.465 -26.877 0.263
z 3.021 0.263 -27.602
Traceless
 xyz
x 9.594 -1.465 3.021
y -1.465 -4.253 0.263
z 3.021 0.263 -5.341
Polar
3z2-r2-10.681
x2-y29.231
xy-1.465
xz3.021
yz0.263


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.899 -0.245 -0.015
y -0.245 7.046 0.003
z -0.015 0.003 4.094


<r2> (average value of r2) Å2
<r2> 73.033
(<r2>)1/2 8.546